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Shark teeth 2 - 3 cm 1 pc
Fossilized teeth of a shark of the genus Squalicorax. Morocco, about 100 million years ago.
4,00 €
Dioptase 1 - 1,5 cm
Dioptase is a hydrous copper silicate. Because of the intense emerald green color, it was called "emerald-copper". ...
5,00 €
Epidote 4 x 2 x 1,5 cm
Epidote is a rock-forming mineral of the silicate class. Calcium, aluminum and iron silicate. Chemical formula: ...
10,00 €
Chalcedony grape agate 3 - 3,5 cm 1 pc
Chalcedony is a cryptocrystalline variety of quartz SiO₂, which forms tiny crystals that can only be seen under a ...
14,00 €
